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|
# module to create Makefile for extension modules
# invoke like: ruby -r mkmf extconf.rb
require 'rbconfig'
require 'find'
include Config
$found = false;
$lib_cache = {}
$lib_found = {}
$func_cache = {}
$func_found = {}
$hdr_cache = {}
$hdr_found = {}
$config_cache = CONFIG["compile_dir"]+"/ext/config.cache"
if File.exist?($config_cache) then
f = open($config_cache, "r")
while f.gets
case $_
when /^lib: (.+) (yes|no)/
$lib_cache[$1] = $2
when /^func: ([\w_]+) (yes|no)/
$func_cache[$1] = $2
when /^hdr: (.+) (yes|no)/
$hdr_cache[$1] = $2
end
end
f.close
end
$srcdir = CONFIG["srcdir"]
#$libdir = CONFIG["libdir"]+"/"+CONFIG["ruby_install_name"]
$libdir = CONFIG["libdir"]+"/ruby"
$libdir += "/"+CONFIG["MAJOR"]+"."+CONFIG["MINOR"]
$archdir = $libdir+"/"+CONFIG["arch"]
$install = CONFIG["INSTALL_PROGRAM"]
$install_data = CONFIG["INSTALL_DATA"]
if $install !~ /^\// then
$install = CONFIG["srcdir"]+"/"+$install
$install_data = CONFIG["srcdir"]+"/"+$install_data
end
if File.exist? $archdir + "/ruby.h"
$hdrdir = $archdir
elsif File.exist? $srcdir + "/ruby.h"
$hdrdir = $srcdir
else
STDERR.print "can't find header files for ruby.\n"
exit 1
end
CFLAGS = CONFIG["CFLAGS"]
if PLATFORM == "m68k-human"
CFLAGS.gsub!(/-c..-stack=[0-9]+ */, '')
end
if /win32|djgpp|mingw32|m68k-human/i =~ PLATFORM
$null = open("nul", "w")
else
$null = open("/dev/null", "w")
end
LINK = "#{CONFIG['CC']} -o conftest -I#{$srcdir} -I#{CONFIG['includedir']} #{CFLAGS} %s #{CONFIG['LDFLAGS']} %s conftest.c #{CONFIG['LIBS']} %s"
CPP = "#{CONFIG['CPP']} -E -I#{$srcdir} -I#{CONFIG['includedir']} #{CFLAGS} %s conftest.c"
$orgerr = $stderr.dup
$orgout = $stdout.dup
def xsystem command
if $DEBUG
print command, "\n"
return system(command)
end
$stderr.reopen($null)
$stdout.reopen($null)
r = system(command)
$stderr.reopen($orgerr)
$stdout.reopen($orgout)
return r
end
def try_link(libs)
xsystem(format(LINK, $CFLAGS, $LDFLAGS, libs))
end
def try_cpp
xsystem(format(CPP, $CFLAGS))
end
def install_rb(mfile)
path = []
dir = []
Find.find("lib") do |f|
next unless /\.rb$/ =~ f
f = f[4..-1]
path.push f
dir |= File.dirname(f)
end
for f in dir
next if f == "."
mfile.printf "\t@test -d $(libdir)/%s || mkdir $(libdir)/%s\n", f, f
end
for f in path
mfile.printf "\t$(INSTALL_DATA) lib/%s $(libdir)/%s\n", f, f
end
end
def have_library(lib, func="main")
printf "checking for %s() in -l%s... ", func, lib
STDOUT.flush
if $lib_cache[lib]
if $lib_cache[lib] == "yes"
if $libs
$libs = "-l" + lib + " " + $libs
else
$libs = "-l" + lib
end
print "(cached) yes\n"
return TRUE
else
print "(cached) no\n"
return FALSE
end
end
if func && func != ""
cfile = open("conftest.c", "w")
cfile.printf "\
int main() { return 0; }
int t() { %s(); return 0; }
", func
cfile.close
begin
if $libs
libs = "-l" + lib + " " + $libs
else
libs = "-l" + lib
end
unless try_link(libs)
$lib_cache[lib] = 'no'
$cache_mod = TRUE
print "no\n"
return FALSE
end
ensure
system "rm -f conftest*"
end
else
if $libs
libs = "-l" + lib + " " + $libs
else
libs = "-l" + lib
end
end
$libs = libs
$lib_cache[lib] = 'yes'
$cache_mod = TRUE
print "yes\n"
return TRUE
end
def have_func(func)
printf "checking for %s()... ", func
STDOUT.flush
if $func_cache[func]
if $func_cache[func] == "yes"
$defs.push(format("-DHAVE_%s", func.upcase))
print "(cached) yes\n"
return TRUE
else
print "(cached) no\n"
return FALSE
end
end
cfile = open("conftest.c", "w")
cfile.printf "\
char %s();
int main() { return 0; }
int t() { %s(); return 0; }
", func, func
cfile.close
libs = $libs
libs = "" if libs == nil
begin
unless try_link(libs)
$func_found[func] = 'no'
$found = TRUE
print "no\n"
return FALSE
end
ensure
system "rm -f conftest*"
end
$defs.push(format("-DHAVE_%s", func.upcase))
$func_found[func] = 'yes'
$found = TRUE
print "yes\n"
return TRUE
end
def have_header(header)
printf "checking for %s... ", header
STDOUT.flush
if $hdr_cache[header]
if $hdr_cache[header] == "yes"
header.tr!("a-z./\055", "A-Z___")
$defs.push(format("-DHAVE_%s", header))
print "(cached) yes\n"
return TRUE
else
print "(cached) no\n"
return FALSE
end
end
cfile = open("conftest.c", "w")
cfile.printf "\
#include <%s>
", header
cfile.close
begin
unless try_cpp
$hdr_found[header] = 'no'
$found = TRUE
print "no\n"
return FALSE
end
ensure
system "rm -f conftest*"
end
$hdr_found[header] = 'yes'
header.tr!("a-z./\055", "A-Z___")
$defs.push(format("-DHAVE_%s", header))
$found = TRUE
print "yes\n"
return TRUE
end
def create_header()
print "creating extconf.h\n"
STDOUT.flush
if $defs.length > 0
hfile = open("extconf.h", "w")
for line in $defs
line =~ /^-D(.*)/
hfile.printf "#define %s 1\n", $1
end
hfile.close
end
end
def create_makefile(target)
print "creating Makefile\n"
STDOUT.flush
if $libs and CONFIG["DLEXT"] == "o"
libs = $libs.split
for lib in libs
lib.sub!(/-l(.*)/, '"lib\1.a"')
end
$defs.push(format("-DEXTLIB='%s'", libs.join(",")))
end
$libs = "" unless $libs
$DLDFLAGS = CONFIG["DLDFLAGS"]
if PLATFORM =~ /beos/
$libs = $libs + " -lruby"
$DLDFLAGS = $DLDFLAGS + " -L" + CONFIG["prefix"] + "/lib"
end
unless $objs then
$objs = Dir["*.{c,cc}"]
for f in $objs
f.sub!(/\.(c|cc)$/, ".o")
end
end
$objs = $objs.join(" ")
mfile = open("Makefile", "w")
mfile.print <<EOMF
SHELL = /bin/sh
#### Start of system configuration section. ####
srcdir = #{$srcdir}
hdrdir = #{$hdrdir}
CC = #{CONFIG["CC"]}
prefix = #{CONFIG["prefix"]}
CFLAGS = #{CONFIG["CCDLFLAGS"]} -I$(hdrdir) -I#{CONFIG["includedir"]} #{CFLAGS} #{$CFLAGS} #{$defs.join(" ")}
CXXFLAGS = $(CFLAGS)
DLDFLAGS = #{$DLDFLAGS} #{$LDFLAGS}
LDSHARED = #{CONFIG["LDSHARED"]}
prefix = #{CONFIG["prefix"]}
exec_prefix = #{CONFIG["exec_prefix"]}
libdir = #{$libdir}
archdir = #{$archdir}
#### End of system configuration section. ####
LOCAL_LIBS = #{$local_libs}
LIBS = #{$libs}
OBJS = #{$objs}
TARGET = #{target}.#{CONFIG["DLEXT"]}
INSTALL = #{$install}
INSTALL_DATA = #{$install_data}
binsuffix = #{CONFIG["binsuffix"]}
all: $(TARGET)
clean:; @rm -f *.o *.so *.sl
@rm -f Makefile extconf.h conftest.*
@rm -f core ruby$(binsuffix) *~
realclean: clean
install: $(archdir)/$(TARGET)
$(archdir)/$(TARGET): $(TARGET)
@test -d $(libdir) || mkdir $(libdir)
@test -d $(archdir) || mkdir $(archdir)
$(INSTALL) $(TARGET) $(archdir)/$(TARGET)
EOMF
install_rb(mfile)
mfile.printf "\n"
if CONFIG["DLEXT"] != "o"
mfile.printf <<EOMF
$(TARGET): $(OBJS)
$(LDSHARED) $(DLDFLAGS) -o $(TARGET) $(OBJS) $(LIBS) $(LOCAL_LIBS)
EOMF
elsif not File.exist?(target + ".c") and not File.exist?(target + ".cc") or
mfile.print "$(TARGET): $(OBJS)\n"
case PLATFORM
when "m68k-human"
mfile.printf "ar cru $(TARGET) $(OBJS)\n"
when /-nextstep/
mfile.printf "cc -r $(CFLAGS) -o $(TARGET) $(OBJS)\n"
else
mfile.printf "ld $(DLDFLAGS) -r -o $(TARGET) $(OBJS)\n"
end
end
if File.exist?("depend")
dfile = open("depend", "r")
mfile.printf "###\n"
while line = dfile.gets()
mfile.print line
end
dfile.close
end
mfile.close
if $found
begin
f = open($config_cache, "w")
for k,v in $lib_cache
f.printf "lib: %s %s\n", k, v.downcase
end
for k,v in $lib_found
f.printf "lib: %s %s\n", k, v.downcase
end
for k,v in $func_cache
f.printf "func: %s %s\n", k, v.downcase
end
for k,v in $func_found
f.printf "func: %s %s\n", k, v.downcase
end
for k,v in $hdr_cache
f.printf "hdr: %s %s\n", k, v.downcase
end
for k,v in $hdr_found
f.printf "hdr: %s %s\n", k, v.downcase
end
f.close
rescue
end
end
if PLATFORM =~ /beos/
print "creating ruby.def\n"
open("ruby.def", "w") do |file|
file.print("EXPORTS\n") if PLATFORM =~ /^i/
file.print("Init_#{target}\n")
end
end
end
$libs = PLATFORM =~ /cygwin32|beos/ ? nil : "-lc"
$objs = nil
$local_libs = ""
$CFLAGS = ""
$LDFLAGS = ""
$defs = []
|